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Finding the Fourth Proportional to 895,502.30, 1,343,253.45 and 778,862.30

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Solution

The fourth proportional to 895,502.30, 1,343,253.45 and 778,862.30 is: 1,168,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,502.30 : 1,343,253.45 = 778,862.30 : x
  2. Step 2: Convert to fraction form
    895,502.30/1,343,253.45 = 778,862.30/x
  3. Step 3: Cross multiply
    895,502.30x = 1,343,253.45 × 778,862.30
  4. Step 4: Simplify right side
    895,502.30x = 1,046,209,471,549.94
  5. Step 5: Solve for x
    x = 1,046,209,471,549.94/895,502.30
  6. Step 6: Final answer
    x = 1,168,293.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.