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Finding the Fourth Proportional to 708,350.66, 977,897.68 and 569,019.72

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Solution

The fourth proportional to 708,350.66, 977,897.68 and 569,019.72 is: 785,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,350.66 : 977,897.68 = 569,019.72 : x
  2. Step 2: Convert to fraction form
    708,350.66/977,897.68 = 569,019.72/x
  3. Step 3: Cross multiply
    708,350.66x = 977,897.68 × 569,019.72
  4. Step 4: Simplify right side
    708,350.66x = 556,443,064,062.25
  5. Step 5: Solve for x
    x = 556,443,064,062.25/708,350.66
  6. Step 6: Final answer
    x = 785,547.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.