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Finding the Fourth Proportional to 602,973.70, 904,460.55 and 288,045.70

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Solution

The fourth proportional to 602,973.70, 904,460.55 and 288,045.70 is: 432,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,973.70 : 904,460.55 = 288,045.70 : x
  2. Step 2: Convert to fraction form
    602,973.70/904,460.55 = 288,045.70/x
  3. Step 3: Cross multiply
    602,973.70x = 904,460.55 × 288,045.70
  4. Step 4: Simplify right side
    602,973.70x = 260,525,972,247.14
  5. Step 5: Solve for x
    x = 260,525,972,247.14/602,973.70
  6. Step 6: Final answer
    x = 432,068.55

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Double scale
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Similar ratio
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1.5x scale

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.